Weather Alert in Pennsylvania
Flood Watch issued June 14 at 8:28PM EDT until June 14 at 11:00PM EDT by NWS Pittsburgh PA
AREAS AFFECTED: Allegheny; Westmoreland; Westmoreland Ridges
DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southwest and western Pennsylvania, including the following areas, in southwest Pennsylvania, Higher Elevations of Westmoreland. In western Pennsylvania, Allegheny and Westmoreland. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - New rainfall this evening may be able to produce 1 to 2 inches of precipitation with localized totals up to 3 inches in any training showers or storms. Urban areas may be more susceptible to flash flooding. - http://www.weather.gov/safety/flood
INSTRUCTION: N/A
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Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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